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SDL: Implement the new device enumeration APIs.

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This commit is contained in:
David Reid
2018-03-18 10:29:36 +10:00
parent 59f01c5be0
commit 2c01858f3a
1 changed files with 118 additions and 0 deletions
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mini_al.h
+118
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@@ -13601,6 +13601,120 @@ mal_format mal_format_from_sdl(MAL_SDL_AudioFormat format)
} }
} }
mal_bool32 mal_context_is_device_id_equal__sdl(mal_context* pContext, const mal_device_id* pID0, const mal_device_id* pID1)
{
mal_assert(pContext != NULL);
mal_assert(pID0 != NULL);
mal_assert(pID1 != NULL);
(void)pContext;
return pID0->sdl == pID1->sdl;
}
mal_result mal_context_enumerate_devices__sdl(mal_context* pContext, mal_enum_devices_callback_proc callback, void* pUserData)
{
mal_assert(pContext != NULL);
mal_assert(callback != NULL);
#ifndef MAL_USE_SDL_1
if (!pContext->sdl.usingSDL1) {
mal_bool32 isTerminated = MAL_FALSE;
// Playback
if (!isTerminated) {
int deviceCount = ((MAL_PFN_SDL_GetNumAudioDevices)pContext->sdl.SDL_GetNumAudioDevices)(0);
for (int i = 0; i < deviceCount; ++i) {
mal_device_info deviceInfo;
mal_zero_object(&deviceInfo);
deviceInfo.id.sdl = i;
mal_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), ((MAL_PFN_SDL_GetAudioDeviceName)pContext->sdl.SDL_GetAudioDeviceName)(i, 0), (size_t)-1);
mal_bool32 cbResult = callback(pContext, mal_device_type_playback, &deviceInfo, pUserData);
if (cbResult == MAL_FALSE) {
isTerminated = MAL_TRUE;
break;
}
}
}
// Capture
if (!isTerminated) {
int deviceCount = ((MAL_PFN_SDL_GetNumAudioDevices)pContext->sdl.SDL_GetNumAudioDevices)(1);
for (int i = 0; i < deviceCount; ++i) {
mal_device_info deviceInfo;
mal_zero_object(&deviceInfo);
deviceInfo.id.sdl = i;
mal_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), ((MAL_PFN_SDL_GetAudioDeviceName)pContext->sdl.SDL_GetAudioDeviceName)(i, 1), (size_t)-1);
mal_bool32 cbResult = callback(pContext, mal_device_type_capture, &deviceInfo, pUserData);
if (cbResult == MAL_FALSE) {
isTerminated = MAL_TRUE;
break;
}
}
}
} else
#endif
{
// SDL1 only uses default devices.
mal_bool32 cbResult = MAL_TRUE;
// Playback.
if (cbResult) {
mal_device_info deviceInfo;
mal_zero_object(&deviceInfo);
mal_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), MAL_DEFAULT_PLAYBACK_DEVICE_NAME, (size_t)-1);
cbResult = callback(pContext, mal_device_type_playback, &deviceInfo, pUserData);
}
// Capture.
if (cbResult) {
mal_device_info deviceInfo;
mal_zero_object(&deviceInfo);
mal_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), MAL_DEFAULT_CAPTURE_DEVICE_NAME, (size_t)-1);
cbResult = callback(pContext, mal_device_type_capture, &deviceInfo, pUserData);
}
}
return MAL_SUCCESS;
}
mal_result mal_context_get_device_info__sdl(mal_context* pContext, mal_device_type deviceType, const mal_device_id* pDeviceID, mal_share_mode shareMode, mal_device_info* pDeviceInfo)
{
mal_assert(pContext != NULL);
(void)shareMode;
#ifndef MAL_USE_SDL_1
if (!pContext->sdl.usingSDL1) {
if (pDeviceID == NULL) {
if (deviceType == mal_device_type_playback) {
pDeviceInfo->id.sdl = 0;
mal_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MAL_DEFAULT_PLAYBACK_DEVICE_NAME, (size_t)-1);
} else {
pDeviceInfo->id.sdl = 0;
mal_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MAL_DEFAULT_CAPTURE_DEVICE_NAME, (size_t)-1);
}
} else {
pDeviceInfo->id.sdl = pDeviceID->sdl;
mal_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), ((MAL_PFN_SDL_GetAudioDeviceName)pContext->sdl.SDL_GetAudioDeviceName)(pDeviceID->sdl, (deviceType == mal_device_type_playback) ? 0 : 1), (size_t)-1);
}
} else
#endif
{
// SDL1 uses default devices.
if (deviceType == mal_device_type_playback) {
pDeviceInfo->id.sdl = 0;
mal_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MAL_DEFAULT_PLAYBACK_DEVICE_NAME, (size_t)-1);
} else {
pDeviceInfo->id.sdl = 0;
mal_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MAL_DEFAULT_CAPTURE_DEVICE_NAME, (size_t)-1);
}
}
return MAL_SUCCESS;
}
mal_result mal_context_init__sdl(mal_context* pContext) mal_result mal_context_init__sdl(mal_context* pContext)
{ {
@@ -13675,6 +13789,10 @@ mal_result mal_context_init__sdl(mal_context* pContext)
return MAL_ERROR; return MAL_ERROR;
} }
pContext->onDeviceIDEqual = mal_context_is_device_id_equal__sdl;
pContext->onEnumDevices = mal_context_enumerate_devices__sdl;
pContext->onGetDeviceInfo = mal_context_get_device_info__sdl;
return MAL_SUCCESS; return MAL_SUCCESS;
} }